Enabling AI Network Cross-Layer Design and Operations with Arcadia: A Simulation Platform at Scale. - Zhaodong Wang; Satyajeet Singh Ahuja; Xu Zhang; Max Noormohammadpour; Gregory R. Steinbrecher; Thomas Fuller; Xin Liu; Kevin Quirk; Mikel Jimenez Fernandez; Abhinav Triguna; Yan Cai 018; Steve Politis; et al. (NSDI, 2026)